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    • 5. 发明授权
    • Toner for developing electrostatic image, image forming method and
developing apparatus unit
    • 用于显影静电图像的调色剂,成像方法和显影装置单元
    • US5948582A
    • 1999-09-07
    • US50464
    • 1998-03-31
    • Tatsuya NakamuraShinya YachiMichihisa Magome
    • Tatsuya NakamuraShinya YachiMichihisa Magome
    • G03G9/08G03G9/087G03G9/097
    • G03G9/09725G03G9/0819G03G9/0827G03G9/09708G03G9/08782
    • A toner for developing an electrostatic image is constituted by at least toner particles and an additive. The toner particles have a shape factor SF-1 of 100-160, a phase factor SF-2 of 100-140 and a weight-average particle size of 4-10 .mu.m as measured by a Coulter counter. The toner contains particles having circle-equivalent diameters in a range of 0.6-2.0 .mu.m and satisfying the following conditions (i)-(iii): (i) a first value C.sub.1 of 3-50% by number as measured by a flow particle image analyzer after application of a ultrasonic wave of 20 kHz for 5 min., (ii) a second value C.sub.2 of 2-40% by number as measured by the flow particle image analyzer after application of a ultrasonic wave of 20 kHz for 1 min., and (iii) a value C of 105-150 obtained according to the following equation: C=(C.sub.1 /C.sub.2).times.100 The toner is effective in improving image-forming characteristics in a continuous image formation on a large number of sheets.
    • 用于显影静电图像的调色剂至少由调色剂颗粒和添加剂构成。 调色剂颗粒具有100-160的形状因子SF-1,100-140的相位因子SF-2和通过Coulter计数器测量的重均粒径为4-10μm。 调色剂含有圆度当量直径在0.6-2.0μm范围内且满足以下条件(i) - (iii)的颗粒:(i)通过流动测量的3-50数量级的第一值C1 20分钟的超声波施加5分钟后的粒子图像分析仪,(ii)在20kHz的超声波施加1以后,由流动粒子图像分析仪测定的第二值为2-40数量的C2 min,和(iii)根据以下等式获得的值为105-150的值C =(C1 / C2)×100调色剂有效地改善了在大量片材上的连续成像中的图像形成特性 。
    • 9. 发明申请
    • Non-Magnetic Toner
    • 非磁性调色剂
    • US20090087768A1
    • 2009-04-02
    • US11917803
    • 2006-06-28
    • Emi TosakaKoji AbeYushi MikuriyaSatoshi HandaShinya YachiKazumi YoshizakiYasuhiro Hashimoto
    • Emi TosakaKoji AbeYushi MikuriyaSatoshi HandaShinya YachiKazumi YoshizakiYasuhiro Hashimoto
    • G03G9/08
    • G03G9/08797G03G9/0806G03G9/0819G03G9/0821G03G9/08711G03G9/08726G03G9/08728G03G9/08755G03G9/08782G03G9/08795G03G9/09708
    • An object of the present invention is to provide a toner excellent in fixing ability and developing ability. Provided is a non-magnetic toner including: toner particles each containing at least a binder resin, a colorant, and a wax component; and an inorganic fine powder, wherein: the toner has a specific storage elastic modulus at each of 110 C and 150 C; when a temperature at which a differential curve of a temperature and the common logarithm LogG′ of a storage elastic modulus G′ shows the minimum value in the temperature region of 60 to 130 C is denoted by T0, a straight line having the largest gradient out of straight lines each connecting points on the differential curve at temperatures of T0+a and (T0+a)+1 (C) [where a represents an integer of 0 to 9] is denoted by A, a straight line having the smallest gradient out of straight lines each connecting points on the differential curve at temperatures of T0+b (C) and (T0+b)+10 (C) [where b represents an integer of 0 or more] is denoted by B, and a straight line having the largest gradient out of straight lines each connecting points on the differential curve at temperatures of T0+c and (T0+c)+10 (C) [where c represents an integer larger than “a value b when a straight line B is given”] is denoted by C, the relationship of 1C ? ¢TA (from T0 to the point of intersection of the straight lines A and B) ? 20 C and the relationship of 100 C ? TBC (the point of intersection of the straight lines B and C) ? 120 C are established.
    • 本发明的目的是提供一种定影能力和显影能力优良的调色剂。 提供一种非磁性调色剂,其包括:各自至少含有粘合剂树脂,着色剂和蜡组分的调色剂颗粒; 和无机细粉末,其中:所述调色剂在110℃和150℃各自具有特定的储存弹性模量; 当温度的差分曲线和存储弹性模量G'的常用对数LogG'在60至130℃的温度区域中的最小值的温度表示为T0时,具有最大梯度的直线 在T0 + a和(T0 + a)+1(C)的温度下,差分曲线上的每个连接点的直线(其中a表示0至9的整数)由A表示,具有最小梯度的直线 在T0 + b(C)和(T0 + b)+10(C)[其中b表示0以上的整数]的温度下,差分曲线上的每个连接点的直线之间用B表示, 在T0 + c和(T0 + c)+10(C)的温度下,在差分曲线上连接点的直线上具有最大梯度的线(其中c表示当直线B 给出“]表示为C,关系为1C? ¢TA(从T0到直线A和B的交点)? 20 C,关系为100 C? TBC(直线B和C的交点)? 建立120 C。
    • 10. 发明授权
    • Toner kit and color-image-forming method
    • 墨粉盒和彩色图像形成方法
    • US07132207B2
    • 2006-11-07
    • US11303678
    • 2005-12-16
    • Katsuyuki NonakaYushi MikuriyaShinya YachiShuntaro Watanabe
    • Katsuyuki NonakaYushi MikuriyaShinya YachiShuntaro Watanabe
    • G03G15/01
    • G03G13/013
    • In a toner kit having i) a non-magnetic black toner having at least carbon black and ii) color toners, the black toner has a weight-average particle diameter represented by D4b and a one-point method BET specific surface area represented by Sb, and the color toners, other than the-black toner, each have a weight-average particle diameter represented by D4c and a one-point method BET specific surface area represented by Sc, where the black toner and color toners satisfy the following relations (1) and (2): 0.60≦D4.c/D4b≦0.96,:  Relation (1) 0.750≦Sc/Sb≦1.000;:  Relation (2) and each have an average circularity of from 0.950 to 1.000 and a circularity standard deviation of less than 0.040 as measured with a flow type particle image analyzer.
    • 在具有i)至少具有炭黑的非磁性黑色调色剂和ii)彩色调色剂的调色剂试剂盒中,黑色调色剂具有由D 4 b表示的重均粒径和表示的一点法BET比表面积 除了黑色调色剂之外的颜色调色剂各自具有由D4c表示的重均粒径和由Sc表示的单点法BET比表面积,其中黑色调色剂和彩色调色剂满足以下 关系(1)和(2):<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.60 <= D4.c / D4b <= 0.96,关系(1) in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 0.750 <= Sc / Sb <= 1.000 ;:关系(2)<?in-line-formula description =“在线公式”end =“tail”?>,平均圆形度为0.950〜1.000,圆形标准偏差小于0.040 用流式粒子图像分析仪测量 。